Health workers with the International Federation of the Red Cross and personnel with Doctors Without Borders take participate in a pre-deployment Ebola training exercise on Oct. 29 at Red Cross headquarters in Geneva, Switzerland. Fabrice Coffrini, AFP/Getty Images

A Kenyan Port Health Services worker tells a boy to return to an observation room for Ebola screening at Jomo Kenyatta International Airport in Nairobi on Oct. 28. Daniel Irungu, European Pressphoto Agency

A photograph provided by attorney Steven Hyman shows nurse Kaci Hickox in an isolation tent on Oct. 26 at University Hospital in Newark, N.J. Hickox was quarantined in New Jersey after caring for Ebola patients in West Africa. She was being released after being symptom-free for 24 hours and will be flown to Maine. She complained that there was not a shower, flushable toilet, television or reading material in the isolation tent. Steven Hyman via AP

Nurses at the University of California Medical Center demonstrate against inadequate Ebola preparedness at their facility in San Francisco. Justin Sullivan, Getty Images

Amber Vinson, right, a Texas nurse who contracted Ebola after treating an infected patient, hugs members of her nursing team during a press conference after being released from care at Emory University Hospital in Atlanta. Daniel Shirey, Getty Images

A citizen from Mali arrives in an ambulance to Virgen de la Arrixaca hospital in Murcia, southeastern Spain. Marcial Guillen, European PressPhoto Agency

A woman carrying her child is led to an observation area by a health official at the Jomo Kenyatta International Airport in Nairobi. Tony Karumba, AFP/Getty Images

Members of the Community Outreach Team hand out information about Ebola to residents outside an apartment building at 172nd Street and Stratford Avenue in New York. A 5-year-old boy who lives in the building and recently returned to New York City from the West African nation of Guinea is being tested for Ebola after he was rushed to the hospital with symptoms consistent with the disease, according to health officials. Don Emmert, AFP/Getty Images

Passengers arriving from Ethiopia pass a thermal scanner as health personnel screen people for the Ebola virus on Oct. 27 at Suvarnbhumi Airport in Bangkok, Thailand. Sakchai Lalit, AP

A health worker spray disinfectant on the body of a man who died after contracting Ebola outside Monrovia, Liberia. Abbas Dulleh, AP

New York City Police officers stand in front of 546 West 147th Street, the apartment building of Dr. Craig Spencer on Oct. 25. Spencer, who was working in Africa with the Doctors Without Borders organization, was quarantined after showing symptoms of the virus after his return to New York City. Bryan Thomas, Getty Images

A Liberian Red Cross burial team retrieves the body of a suspected victim of Ebola in Banjor. Ahmed Jallanzo, epa

Members of the Department of Defense's Ebola Military Medical Support Team dress with protective gear during training at San Antonio Military Medical Centerin San Antonio on Oct. 24. The team will consist of 20 critical care nurses, 5 doctors trained in infectious disease, and 5 trainers in infectious disease protocols. Eric Gay, AP

A medical team waits in front of an ambulance during a training demonstration on handling suspected Ebola cases in Paris on Oct. 24. Francois Mori, AP

Members of the media gather in front of the closed Gutter bowling alley, where Craig Spencer bowled recently in Brooklyn, N.Y. Spencer, who tested positive as New York's first case of Ebola, is in isolation at Bellevue Hospital. Jewel Samad, AFP/Getty Images

A pedestrian walks past The Gutter bowling alley in the Brooklyn borough of New York. John Minchillo, AP

A newspaper vendor holds up a copy of the New York Post in New York. Timothy A. Clary, AFP/Getty Images

Health alerts regarding people who may have traveled to particular West African countries are posted in the lobby of Bellevue Hospital in New York. Craig Spencer, a resident of New York City and a member of Doctors Without Borders, was admitted to Bellevue Thursday and has been diagnosed with Ebola. Mark Lennihan, AP

Schoolchildren wait in line to wash their hands before school Oct. 23 in Bouake, Ivory Coast. Issouf Sanogo, AFP/Getty Images

Women work on a protective suit for use in handling people infected with the Ebola virus in a sewing room at Lakeland Industries Inc. Lakeland, a global manufacturer of industrial protective clothing, produces suits to be worm by healthcare workers and others being exposed to Ebola. Johannes Eisele, AFP/Getty Images

Spec. Jason Dumas, left, helps Spec. David Quichocho, right, with his protective boots during a training session at Ft. Carson. Both soldiers are from the 615th Engineer Company, 52nd Engineer Battalion which will be deploying approximately 160 engineers to West Africa to help with the fight against Ebola. Jerilee Bennett, The Colorado Springs Gazette via AP

A Liberian health worker disinfects a street corner where a suspected Ebola patient was picked up and taken into an ambulance to be transported to an Ebola treatment unit in Monrovia, Liberia. Ahmed Jallanzo, European PressPhoto Agency

Health workers from the Liberian Red Cross wear protective gear as they shovel sand which will be used to absorb fluids emitted from the bodies of Ebola victims in front of the ELWA 2 Ebola management center in Monrovia. Zoom Dosso, AFP/Getty Images

A German soldier is sprayed on Oct. 23 during a course in Appen, Germany, where volunteer helpers are trained for deployment to Ebola-hit countries. Bodo Marks, AFP/Getty Images

German volunteering soldiers wear protective equipment in Appen, Germany, as they take part in an intensive course to prepare volunteer helpers for their deployment in Ebola-hit countries. Bodo Marks, AFP/Getty Images

A carpenter makes caskets for sale in New Kru, Liberia, on Oct. 22. The government has ordered that the bodies of all suspected Ebola victims be cremated. Abbas Dulleh, AP

Doctors and nurses take part in training in treating infectious diseases in an isolation room during a presentation on diagnosing and treating patients with Ebola virus symptoms in Bern, Switzerland, on Oct. 23. Alessandro Della Valle, European Pressphoto Agency

Filipino health workers hold anti-government placards outside a public hospital intended for Ebola patients in Manila. The group criticized the government in its hope of combating and responding to the threat of Ebola, if it hits the country. Placard reads; "The government can't provide sufficient funding for Tuberculosis let alone Ebola." Dennis M. Sabangan, european pressphoto agency

The Taiwanese Centers for Disease Control displays protective gear during a demonstration on how to handle Ebola patients in Taipei, Taiwan. Taiwan has not reported any Ebola infection cases but has designated six hospitals to treat Ebola patients. Taiwan CDC via European Pressphoto Agency

Health workers carry the body on Oct. 20 of a woman suspected of contracting the Ebola virus on the outskirts of Monrovia, Liberia. Abbas Dulleh, AP

Ashoka Mukpo shakes hands with physician Kristina Bailey after being released from the treatment unit at the Nebraska Medical Center on Oct. 22 in Omaha. Mukpo was treated and released at UNMC after contracting Ebola in West Africa while working as a freelance journalist. Taylor Wilson, Nebraska Medicine via Getty Images

Armed forces of Liberia officer Ew Dennis speaks with community members on Oct. 18 about an Ebola treatment unit to be built in their village. Craig Philbrick, U.S. Army via european pressphoto agency

A health care worker in protective gear sprays disinfectant around the house of a person suspected to have Ebola virus in Port Loko Community, on the outskirts of Freetown, Sierra Leone. Michael Duff, AP

British Army medics board an airplane as they depart for Sierra Leone at RAF Brize Norton in Brize Norton, England. They will man the Ebola Training Academy, instructing the health care workers who will be working in the five Ebola Treatment Units the UK is currently building. Matt Cardy, Getty Images

Health workers loadthe body of a man who is suspected to have died from Ebola in the back of a truck in Paynesville Community on the outskirts of Monrovia, Liberia. Abbas Dulleh, AP

Participants in an Ebola education session look over printed materials in New York. Thousands of participants, mostly health care workers, attended the session to review basic facts about Ebola and updated guidelines for protection against its spread. Seth Wenig, AP

Nurse Barbara Smith demonstrates the proper way for health care workers to use personal protective equipment when dealing with Ebola during an education session in New York. Seth Wenig, AP

Health care workers listen to speakers go over the proper techniques for treating patients during an ebola education session for health care workers at the Jacob Javits Center in New York. Timothy A. Clary, AFP/Getty Images

Barbara Smith, left, a nurse at Mount Sinai Health Systems, and Dr. Bryan Christiansen, a member of the Center for Disease Control and Prevention's Infection Control Team for the Ebola Response, demonstrate proper safety techniques during an Ebola education session for healthcare workers at the Jacobs Javits Center on Oct. 21 in New York. Timothy A. Clary, AFP/Getty Images

British military medics wait at a departure lounge before boarding an aircraft for Sierra Leone at Royal Air Force base Brize Norton in England. The medics from 35 Squadron, 5th Medical Regiment, will staff the Ebola Training Academy, instructing health care workers who will be working at five treatment units. Matt Cardy, Getty Images

A medical staff member gives a disinfectant to a passenger arriving from Conakry in Guinea at the airport in Abidjan, Ivory Coast. Issouf Sanogo, AFP/Getty Images

Passengers leave the Carnival Magic after docking in Galveston. A Dallas lab supervisor who handled a specimen from Thomas Eric Duncan, who died last week after contracting Ebola, was in voluntary isolation in her cabin aboard the cruise ship. She tested negative. Jennifer Reynolds, AP

Men in hazmat suits clean the station where a person became sick at a DART train station in Dallas on Oct. 18. The person had supposedly been at the same apartment complex where Ebola patient Thomas Eric Duncan was staying. Larry W. Smith, European Pressphoto Agency

A team buries the body of a woman suspected to have died from Ebola virus in Monrovia, Liberia. Abbas Dulleh, AP

A Liberian health worker holds a baby infected with the Ebola virus at the Doctors Without Borders Ebola treatment center in Monrovia. Zoom Dosso, AFP/Getty Images

A man wears a mask during an anti-immigration protest by supporters of the Northern League and far-right activists on Oct. 18 in Milan. Marco Bertorello, AFP/Getty Images

A health worker takes a baby from his mother as he prepares to carry the infant to a reopened Ebola holding center on Oct. 17 in the West Point neighborhood in Monrovia, Liberia. The baby, his mother and grandmother were all taken to the Ebola center after they tested positive for a fever. John Moore, Getty Images

An Ebola tracing coordinator checks the temperature of Jessica Sompon and discovers she has a fever in the West Point neighborhood in Monrovia. A family member living in the home died the previous day from Ebola. John Moore, Getty Images

Family members peer into a bedroom as they wait for an Ebola burial team to remove a dead body for cremation in Monrovia. John Moore, Getty Images

Ebola tracing coordinator John Mbayoh checks the temperature of a baby in the West Point neighborhood. The 2 month-old child had a fever of 100.76. John Moore, Getty Images

A health worker carries a baby to a re-opened Ebola holding center. John Moore, Getty Images

Health workers are sprayed with disinfectant while removing their protective clothing at an Ebola holding center. John Moore, Getty Images

A custodial worker leaves after cleaning Davis Elementary School in Dallas, Texas. The school was closed after it was discovered that a health care worker who treated one of the Texas Health Presbyterian Hospital nurses infected with the Ebola virus lives at a home with students from the school. Chip Somodevilla, Getty Images

Employees with Cleaning Guys Environmental carry disinfecting equipment into North Belton Middle School. The Central Texas school district has temporarily closed three of its campuses after a family of four, including two students from the district, traveled on the same flight as a nurse who has since been diagnosed with Ebola. Rusty Schramm, The Temple Daily Telegram, via AP

An ambulance carrying Texas Health Presbyterian Hospital nurse Nina Pham leaves the Frederick Municipal Airport on Oct. 16 in Frederick, Md. Pham contracted Ebola when she was part of a team who cared for Thomas Eric Duncan, a Liberian man who eventually died from the virus on Oct. 8. Mark Wilson, Getty Images

People for a convoy transporting Texas nurse Nina Pham after she arrived at Frederick Municipal Airport on Oct. 16 in Frederick, Md. Pham was moved to the National Institutes of Health facility in Bethesda, Md. Patrick Semansky, AP

Nina Pham, right, is guided down the stairs of an aircraft and into an ambulance at the Frederick Municipal Airport. Mark Wilson, Getty Images

Texas Health Presybterian hospital nurse Nina Pham is helped out of the back of an ambulance on the runway at Love Field airport in Dallas. Chip Somodevilla, Getty Images

Hospital staffers cheer as an ambulance transporting nurse Nina Pham, who is infected with Ebola, leaves Texas Health Presbyterian Hospital for Love Field in Dallas. Dozens of co-workers gathered outside the hospital and waved signs in support as Pham was flown to a health care facility in Maryland for treatment. G.J. McCarthy, The Dallas Morning News, via AP

Texas Health Presbyterian staffers line the drive that exits the emergency room as they await an ambulance carrying Nina Pham. Tony Gutierrez, AP

Nina Pham, who contracted Ebola after treating a sick patient infected with the virus, speaks at Texas Health Presbyterian Hospital in Dallas before her flight to the National Institutes of Health outside Washington. Dr. Gary Weinstein, Texas Health Resources, via AP

Participants are sworn in at the hearing examining the U.S. public health response to the Ebola outbreak on Capitol Hill in Washington, D.C. Jack Gruber, USA TODAY

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases at the National Institutes of Health, waits for the start of the hearing. Jack Gruber, USA TODAY

Fauci testifies during the hearing. Jack Gruber, USA TODAY

After putting on their protective gear, hazmat workers on Oct. 16 prepare to enter the apartment at The Village Bend East complex where a second health care worker who has tested positive for the Ebola virus resides, in Dallas. Nurse Amber Vinson joins Nina Pham as health workers who have contracted the Ebola virus at Texas Heath Presbyterian Hospital while treating patient Thomas Eric Duncan, who has since died. Mike Stone, Getty Images

Police keep watch on a home in Tallmadge, Ohio, where Amber Joy Vinson stayed over the weekend before flying home to Dallas. Tony Dejak, AP

An ambulance carrying Amber Vinson, the second health care worker to be diagnosed with Ebola in Texas, arrives at Emory University Hospital in Atlanta. David Tulis, AP

A Liberian ambulance team transports Francis Konneh, 70, a suspected Ebola patient, from the township of West Point in Monrovia, Liberia. Ahmed Jallanzo, epa

Nigerian pupils of Powa International Childrens School wash their hands as part of the 2014 Hand Washing Day Ebola sensitization campaign in Abuja, Nigeria. STR, epa

A healthcare worker washes his hands and boots at an Ebola treatment center in the Hastings area of Freetown, Sierra Leone. Michael Duff, AP

Hazmat workers with Protect Environmental unload barrels in preparation for decontaminating an apartment at The Village Bend East apartment complex where Amber Vinson, a second health care worker who has tested positive for the Ebola virus, resides in Dallas. Mike Stone, Getty Images

A Liberian Red Cross burial team on the move to pick up a suspected Ebola victim in the impoverished area of West Point, Monrovia, Liberia. Ahmed Jallanzo, epa

Maj. Heath Holt assists Maj. Jonathon Britton with his protective suit during a training session for soldiers from the 2nd Battalion, 501st Aviation Regiment, at Fort Bliss, Texas. The unit is training for an anticipated deployment to Africa. Victor Calzada, El Paso Times via AP

Members of the Dallas Fire-Rescue Haz Mat Unit tapes off the door of a second health care worker who tested positive for the Ebola virus on Oct. 15 at the The Village Bend East apartments in Dallas. The worker at Texas Health Presbyterian Hospital was monitoring herself for symptoms and reported a fever. She was in isolation within 90 minutes. Sana Syed, City of Dallas, via AP

Members of Dallas Fire-Rescue Haz Mat Unit prepare to decontaminate common areas near the The Village Bend East apartments in Dallas. Sana Syed, City of Dallas, via AP

Officials work to decontaminate the apartment of the second health care worker diagnosed with the Ebola virus. Maj. Max Geron, Dallas Police Department

A warning flyer informing people about a health care worker exposed to the Ebola virus was distributed to residents in an apartment complex in Dallas. Maj. Max Geron, Dallas Police Department

Police tape cordons off the street after a second health care worker was diagnosed with Ebola. ralph Lauer, European Pressphoto Agency

Heinz Schuhmacher, left, and Marc Dangel, advisers for infection prevention, show how to properly put on protective garments during a demonstration on how to handle Ebola cases at the university hospital in Basel, Switzerland. The World Health Organization projects the Ebola infection rates in West Africa will rise to 5,000 to10,000 new cases a week by December. Ennio Leanza, European Pressphoto Agency

Aid workers from the Liberian Medical Renaissance League stage an Ebola awareness event in Monrovia, Liberia. The group performs street dramas to educate the public on Ebola symptoms and the handling of people who are infected with the virus. John Moore, Getty Images

An aid worker from the Liberian Medical Renaissance League stages an Ebola awareness event in Monrovia. John Moore, Getty Images

People light candles at a prayer vigil for health care worker Nina Pham at Texas Christian University in Dallas. Mike Stone, Getty Images